E. H. C. Walsh (comp.): A Vocabulary of the Tromowa Dialect of Tibetan spoken in the Chumbi Valley (So far as it differs from Standard Tibetan). Together with a corresponding vocabulary of Sikhimese and of Central (standard) Tibetan (Given for the purpose of comparison) (Calcutta: The Bengal Secretariat Book Depot, 1905)

Herbert Bruce Hannah: A Grammar of the Tibetan Language literary and colloquial. With copious illustrations and treating fully of spelling, pronunciation, and the construction of the verb, and including appendices of the various forms of the verb (Calcutta: Printed at the Baptist Mission Press, 1912)

Heinrich August Jäschke: A Tibetan-English dictionary : with special reference to the prevailing dialects; to which is added an English-Tibetan vocabulary. Prepared and published at the charge of the secretary of state for India in council. (London: Sec’y of State for India in Council 1881)

Anton Schiefner: Tibetan tales. Derived from Indian sources. Translated from the Tibetan of the Kah-Gyur by F. Anton von Schiefner. Done into English from the German, with an introduction by William Ralston (London: Trübner & Co., 1882)